Asked by Alejo Izaguirre on May 04, 2024

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The hormone ____ lowers blood calcium by activating osteoblasts, which use excess blood calcium to build new bone tissue.

A) cortisol
B) glucagon
C) calcitonin
D) oxytocin
E) melatonin

Blood Calcium

Refers to the level of calcium in the blood, which is crucial for various physiological functions including bone health, muscle contractions, and blood clotting.

Osteoblasts

Bone-forming cells that turn membrane into bone. They use excess blood calcium to build new bone.

Calcitonin

A hormone secreted by the thyroid gland that helps regulate calcium levels in the blood by inhibiting bone resorption.

  • Comprehend the functions and impacts of various hormones on human physiology.
  • Acknowledge the critical role hormones play in preserving homeostasis, specifically in the regulation of water and electrolytes.
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KS
Kennady SimpsonMay 04, 2024
Final Answer :
C
Explanation :
Calcitonin is the hormone responsible for lowering blood calcium levels by activating osteoblasts, which incorporate the excess calcium into new bone tissue.